Add terminal interface to the 'del' option

config.go

@@ -195,17 +195,10 @@ func (config *Config) Use(fn int) error {
 // RemoveFolder removes a folder from the configuration and the filesystem
 // If the folder is marked as latest, the last folder entry becomes latest.
 func (config *Config) RemoveFolder(fn int) error {
-	targetFolder := config.Folders[fn]
-	if err := os.RemoveAll(targetFolder.Path); err != nil {
+	if err := os.RemoveAll(config.Folders[fn].Path); err != nil {
 		return errors.Errorf("failed to remove the folder: %+v", err)
 	}
-	config.Folders = remove(config.Folders, fn)
-	sortFolders(config.Folders)
-
-	// If we are removing the latest folder, point to the last folder in the list
-	if config.Latest.Path == targetFolder.Path {
-		config.updateLatest(config.Folders[len(config.Folders)-1])
-	}
+	config.Flush()
 	return nil
 }
 
@@ -217,6 +210,19 @@ func (config *Config) Flush() (errs error) {
 			folders = append(folders, fol)
 		}
 	}
+	sortFolders(folders)
+
+	// If the latest folder was removed, point to the last folder in the list
+	var shouldUpdateLatest = true
+	for _, fol := range folders {
+		if fol.Path == config.Latest.Path {
+			shouldUpdateLatest = false
+			break
+		}
+	}
+	if shouldUpdateLatest {
+		config.updateLatest(folders[len(folders)-1])
+	}
 
 	config.Folders = folders
 	return errors.Trace(errs)

dotfiles/.rubbi.sh

@@ -11,14 +11,11 @@ alias rubbish='rbsh'
 alias rubcd='rbsh'
 
 function rubdel {
-    rubbi-sh -del "${1}"
+    rubbi-sh -del
 }
 function rubadd {
     rubbi-sh -add "${1}"
 }
-function rubuse {
-    rubbi-sh -use "${1}"
-}
 function rubsel {
     rubbi-sh -sel
     rubcd

main.go

@@ -4,7 +4,6 @@ import (
 	"flag"
 	"fmt"
 	"os"
-	"strconv"
 	"time"
 
 	"github.com/juju/errors"
@@ -17,10 +16,10 @@ var (
 
 	clean = flag.Bool("clean", false, "if true, the rubbish folder is removed")
 	sel   = flag.Bool("sel", false, "if true, prompts the folders list and outputs the choosen one")
+	del   = flag.Bool("del", false, "if true, prompts the folders list and removes the choosen one")
 	show  = flag.Bool("show", false, "if true, outputs the current rubbish folders")
 	ver   = flag.Bool("ver", false, "if true, the rubbish version will be shown")
 	add   = flag.String("add", "", "folder name to add")
-	del   = flag.String("del", "", "folder number to delete")
 	root  = flag.String("root", "/tmp", "temporary location for the rubbish folder")
 )
 
@@ -98,10 +97,13 @@ func run() error {
 		}
 	}
 
-	if *del != "" {
-		fn, err := strconv.Atoi(*del)
+	if *del {
+		if len(config.Folders) <= 1 {
+			return errors.Errorf("unable to remove folders when there is only one folder or none.")
+		}
+		fn, err := SelectFolder(config)
 		if err != nil {
-			return errors.Errorf("failed to parse folder number to delete: %+v", err)
+			return err
 		}
 		if err := config.RemoveFolder(fn); err != nil {
 			return err